US Bridges

Nfa A601 over Branch

Good

Blount County, Tennessee · 7.5 M. W. Maryville. · Structure no. 050A6010001

Built
1980
45 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
132
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A601 over Branch is a concrete continuous culvert carrying Nfa A601 over Branch in Blount County, Tennessee. It was built in 1980, so it is 45 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 132 vehicles a day, roughly 2% of them trucks, projected to reach 211 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A601
CrossesBranch
Location7.5 M. W. Maryville.
RouteCity Street 601
CountyBlount County
StateTennessee
Coordinates35.75188, -84.10533
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2020)
Projected traffic211 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A601 over Branch built?

It was built in 1980, making it 45 years old in 2025.

What condition is Nfa A601 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Nfa A601 over Branch carry?

About 132 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A601 over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Nfa A601 over Branch?

It is owned by the City or Municipal Highway Agency.